import pymysql
def main():
    no = int(input("请输入要删除的部门编号："))
    conn = pymysql.connect(host='',port = 3306,
                           user='root',password='admin@9000',
                           database = 'my_database',charset='utf8')
    try:
        with conn.cursor() as cursou:
            result = cursou.execute("delete from tb_dept where deptno = %s",(no,))
            if result ==1:
                print("删除成功")
            conn.commit()
    except pymysql.MySQLError as error:
        print(error)
        conn.rollback()
    finally:
        conn.close()
    print(conn)
if __name__ == '__main__':
    main()